A private swimming pool provides different time slots for its users, and the following table shows the number of pool visitors per week.
|
Day |
Swimming pool users number |
|
Monday |
8 |
|
Tuesday |
4 |
|
Wednesday |
15 |
|
Thursday |
15 |
|
Friday |
20 |
|
Saturday |
25 |
|
Sunday |
25 |
On average, how many visitors were there on one day of that week?
1
12
2
16
3
14
4
15